CA2013427A1 - Smoking articles - Google Patents

Smoking articles

Info

Publication number
CA2013427A1
CA2013427A1 CA2013427A CA2013427A CA2013427A1 CA 2013427 A1 CA2013427 A1 CA 2013427A1 CA 2013427 A CA2013427 A CA 2013427A CA 2013427 A CA2013427 A CA 2013427A CA 2013427 A1 CA2013427 A1 CA 2013427A1
Authority
CA
Canada
Prior art keywords
humectant
smoking articles
smoking
nicotine
loading level
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2013427A
Other languages
French (fr)
Other versions
CA2013427C (en
Inventor
Ian Campbell Brown
David John Dittrich
Richard Thomas Fiebelkorn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British American Tobacco Investments Ltd
Original Assignee
British American Tobacco Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10654230&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2013427(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by British American Tobacco Co Ltd filed Critical British American Tobacco Co Ltd
Publication of CA2013427A1 publication Critical patent/CA2013427A1/en
Application granted granted Critical
Publication of CA2013427C publication Critical patent/CA2013427C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/42—Treatment of tobacco products or tobacco substitutes by chemical substances by organic and inorganic substances

Abstract

A smoking article which comprises tobacco treated with a high loading level of humectant and which has been expanded by a high level expansion process to produce expanded tobacco having a humectant loading level in the range of 4% to 15%. The particulate matter, water, nicotine and humectant free (PMWNHF) to nicotine delivery ratio of smoking articles according to the invention and smoked under standard machine smoking conditions is not more than 8 to 1.
CA002013427A 1989-03-31 1990-03-29 Smoking articles Expired - Lifetime CA2013427C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8907255.7 1989-03-31
GB898907255A GB8907255D0 (en) 1989-03-31 1989-03-31 Improvements relating to smoking articles

Publications (2)

Publication Number Publication Date
CA2013427A1 true CA2013427A1 (en) 1990-09-30
CA2013427C CA2013427C (en) 1996-09-10

Family

ID=10654230

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002013427A Expired - Lifetime CA2013427C (en) 1989-03-31 1990-03-29 Smoking articles

Country Status (12)

Country Link
EP (1) EP0390419B2 (en)
JP (1) JP3113984B2 (en)
AR (1) AR244956A1 (en)
AT (1) ATE105149T1 (en)
AU (1) AU637089B2 (en)
BR (1) BR9001661A (en)
CA (1) CA2013427C (en)
DE (1) DE69008602T3 (en)
DK (1) DK0390419T3 (en)
ES (1) ES2054241T5 (en)
GB (1) GB8907255D0 (en)
GR (1) GR3025017T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5699812A (en) * 1991-01-05 1997-12-23 Rothmans, Benson & Hedges Inc. Smoking product

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060086367A1 (en) * 2004-10-25 2006-04-27 Philip Morris Usa Inc. Additives for tobacco cut filler
TW201032738A (en) * 2009-01-23 2010-09-16 Japan Tobacco Inc Cigarette
GB201012090D0 (en) * 2010-07-19 2010-09-01 British American Tobacco Co Cellulosic material
CN102640981B (en) * 2012-04-23 2014-04-16 湖北中烟工业有限责任公司 Method for increasing bulk of reconstituted tobacco
CN103859581B (en) * 2014-03-26 2016-04-13 安徽中烟工业有限责任公司 A kind of tobacco humectant of molecular weight gradient distribution
FR3041507B1 (en) * 2015-09-25 2019-08-30 Ltr Industries RECONSTITUTED TOBACCO FOR DEVICES HEATING TOBACCO WITHOUT BURNING IT
GB201520056D0 (en) * 2015-11-13 2015-12-30 British American Tobacco Co Tobacco blend
CN108254233A (en) * 2017-12-29 2018-07-06 国家烟草质量监督检验中心 A kind of nicotine solution standard substance and its preparation method and application
CN114868954A (en) * 2022-03-22 2022-08-09 上海龙殷生物科技有限公司 Tobacco humectant and method for improving tobacco moistening feeling

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4310006A (en) * 1978-03-31 1982-01-12 American Brands, Inc. Method and apparatus for expanding tobacco
US4449541A (en) * 1981-06-02 1984-05-22 R. J. Reynolds Tobacco Company Tobacco treatment process
US4827949A (en) * 1987-09-16 1989-05-09 Sunas Ernest C Method of treating tobacco and tobacco produced thereby

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5699812A (en) * 1991-01-05 1997-12-23 Rothmans, Benson & Hedges Inc. Smoking product

Also Published As

Publication number Publication date
ATE105149T1 (en) 1994-05-15
AU5239590A (en) 1990-10-04
DE69008602D1 (en) 1994-06-09
BR9001661A (en) 1991-05-14
GB8907255D0 (en) 1989-05-17
JPH02286068A (en) 1990-11-26
EP0390419B2 (en) 1997-09-17
ES2054241T3 (en) 1994-08-01
EP0390419A3 (en) 1991-04-03
DK0390419T3 (en) 1994-10-31
GR3025017T3 (en) 1998-01-30
AR244956A1 (en) 1993-12-30
DE69008602T2 (en) 1994-10-27
JP3113984B2 (en) 2000-12-04
EP0390419A2 (en) 1990-10-03
CA2013427C (en) 1996-09-10
AU637089B2 (en) 1993-05-20
EP0390419B1 (en) 1994-05-04
ES2054241T5 (en) 1997-11-16
DE69008602T3 (en) 1998-01-08

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry